/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Generates a unique graph name for the supplied blueprint (guaranteed to not cause a naming conflict at the time of the call).
A unique name intended for a new graph.
static [FName](API\Runtime\Core\UObject\FName) GenerateUniqueGraphName ( [UObject](API\Runtime\CoreUObject\UObject\UObject) *const InOuter, [FString](API\Runtime\Core\Containers\FString) const & ProposedName )